He just stood there silently watching your mom drowning and weakly shouting for help.You saw your mother and tried helping her but unfortunately your mother died and since the incident you blamed your only dongsaeng for reason your mom died.But, what will you do if actually you realize that you don't hate your dongsaeng? Will your ego keep you to hate your dongsaeng?And what will you do if one of your oppa always search for your wrong?Will your life change?